20512782396

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{761}}^1\times {\mathrm{25819}}^1$

素因数の和:26619

約数の個数: 72

約数和(自身を含む): 53712313200

約数和(自身を除く): 33199530804

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 522, 761, 1044, 1522, 2283, 3044, 4566, 6849, 9132, 13698, 22069, 25819, 27396, 44138, 51638, 66207, 77457, 88276, 103276, 132414, 154914, 198621, 232371, 264828, 309828, 397242, 464742, 748751, 794484, 929484, 1497502, 2246253, 2995004, 4492506, 6738759, 8985012, 13477518, 19648259, 26955036, 39296518, 58944777, 78593036, 117889554, 176834331, 235779108, 353668662, 569799511, 707337324, 1139599022, 1709398533, 2279198044, 3418797066, 5128195599, 6837594132, 10256391198, 20512782396]

約数ペア:

[(1, 20512782396), (2, 10256391198), (3, 6837594132), (4, 5128195599), (6, 3418797066), (9, 2279198044), (12, 1709398533), (18, 1139599022), (29, 707337324), (36, 569799511), (58, 353668662), (87, 235779108), (116, 176834331), (174, 117889554), (261, 78593036), (348, 58944777), (522, 39296518), (761, 26955036), (1044, 19648259), (1522, 13477518), (2283, 8985012), (3044, 6738759), (4566, 4492506), (6849, 2995004), (9132, 2246253), (13698, 1497502), (22069, 929484), (25819, 794484), (27396, 748751), (44138, 464742), (51638, 397242), (66207, 309828), (77457, 264828), (88276, 232371), (103276, 198621), (132414, 154914)]